Answer:
I am a way to say goodbye to your sweetheart
I have 4 wings but cannot fly. I never laugh and never cry. On the same spot I'm always found toiling away with little sound. What am I?
Better touch me before you proceed to second. What am I?
I go through a door but never go in and never come out.
The more you take, the more you leave behind. What are they?
No matter how little or how much you use me, you change me every month.